Every words stands for unique digit that makes the arithmetic equation true

SEVEN + SEVEN + SIX = TWENTY.

What are the digits ?

A letter is hidden in the image in plain sight. Can you spot it in 6 seconds? Test your eye power now!

Find the missing number in the sequence below:

f you were running a race, and you passed the person in 2nd place, what place would you be in now?

Can you spot the hidden girl in the picture below?

The below is a number puzzle. It should be read left to right, top to bottom.
1
1 1
2 1
1 2 1 1
1 1 1 2 2 1
? ? ? ? ? ?
? ? ? ? ? ? ? ?
Question 1: What are the next two rows of numbers?
Question 2: How was this reached?

A Scientist was fifty years old in the year 2000 but he was forty years old in the year 2010. How can this be possible?

PS: It has a logical answer.

Can you count the number of blocks in the picture below?

How many times can you subtract the number 5 from 25?

Paul's height is six feet, he's an assistant at a butcher's shop and wears size 9 shoes. What does he weigh?